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wet dry line / wet dry line

wet dry line
wet dry line

The wet-dry line is design to tell people if the clothes is totally dry though visual sense rather than tactile sense when the clothes is hanging on the air.It will do a favour to the old people whose tactile sense is insensitive and the hands disabled person distinguish it easily.Theory:CuSO4·5H2O = CuSO4 + 5H2O

University

Hunan University

Hunan University
Changsha,Hunan, China

Design

Hunan University

Hunan University
Changsha,Hunan, China

Jun/Yang